How does the Dodecahedron Calculator work?

Volume = (a³ / 4) × (15 + 7√5) where a = edge length Then: Surface area = 3 × √(25 + 10√5) × a² Then: Circumradius = a × √((15 + 7√5) / 4) Then: Has 12 pentagonal faces, 20 vertices.

Can you give an example of how to use the Dodecahedron Calculator?

Example: Input edge=2 gives a result of Vol 66.35.

Is the Dodecahedron Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Dodecahedron Calculator?

Our Dodecahedron Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

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Dodecahedron Calculator

Dodecahedron

Edge length (a)

Calculates regular dodecahedron volume, surface area, and properties from edge length.

Symbol	Name	Unit	Description
a	edge length	—	edge length

Difficulty:advanced

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Did You Know?

Dodecahedron and icosahedron are dual polyhedra; faces and vertices swap counts.

References

›Dodecahedron Calculator

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Dodecahedron Calculator

Dodecahedron

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